【问题背景】笔者老家有位叔叔,在大家的眼中是个能人。原因是他有三个百宝箱,一个箱子装着测电笔、老虎钳、起子、扳手、多用表等常用工具称为工具箱,另一个箱子装着螺母、螺钉、膨胀螺丝、铁钉、各种导线、保险丝、导线夹、万能胶、胶带等常用器材称为器材箱;第三个箱子装着各种说明书姑且称为藏经阁。方圆几里,哪家不通电了、电视机出问题了、冰箱 【Background】 I have a hometown uncle, in everyone’s eyes is a capable person. The reason is that he has three treasure chest, a box filled with measuring pen, vise, screwdriver, wrench, multimeter and other commonly used tools called the toolbox, the other box filled with nuts, screws, expansion screws, nails, all kinds of wires, fuses, wires Clip, all-purpose plastic, tape and other equipment commonly known as equipment boxes; the third box with various instructions tentatively called the Buddhist scriptures Pavilion. A radius of miles, which is not powered, the TV problem, the refrigerator